A university study says the collar is 90 percent accurate.
Pets can get so used to their owners working from home, it can be hard for them to adjust when people start heading into the office again.
The animals also have to be tested and given vaccines in their country of origin.
Getting a new pet is a big step for the family, especially when it's your first.
The pooch spent a week "fighting for her life" before she died.
While your pooch may be happy to have you working from home, the change in routine can be quite unsettling for them.